1.Comparative Study on Scapular Alignment and Neck and Shoulder Muscle Strength in Subjects with Forward Head Posture and Round Shoulder Posture
Kyoung-Yeol JEONG ; Tae-Gyu KIM ; Il-Young YU ; Soo-Yong KIM
The Korean Journal of Sports Medicine 2025;43(1):13-22
Purpose:
The purpose of this study is to compare scapular alignment, muscle strength around the scapula and neck according to the classification of forward head posture (FHP), round shoulder posture (RSP) and forward head with round shoulder posture (FHRSP).
Methods:
Scapular alignment, muscle strength around the scapula, and neck strength were measured according to the FHP and RSP alignment classification for male college students. Scapular alignment was confirmed by measuring acromial depression, scapular lateral displacement, and scapular acromion distance. Muscle strength was measured during isometric contraction of upper trapezius (UT), middle trapezius (MT), lower trapezius (LT), and neck muscles.
Results:
Acromial depression was significantly greater in the FHP (7.20±1.02 cm) than in the RSP group (5.60±1.26 cm) and FHRSP (5.26±1.75 cm) (p<0.05). The strength of the UT was significantly greater in the FHRSP (1.12±0.12 N/BW) than in the FHP (0.87±0.19 N/BW), and the strength of the LT was significantly greater in the control group (0.20±0.04 N/BW) than in the FHP (0.15±0.03 N/BW) and RSP (0.15±0.04 N/BW) (p<0.05). The LT:UT ratio was significantly greater in the control group (0.20±0.05) than in the FHRSP (0.15±0.02) (p<0.05).
Conclusion
UT strength was higher in RSP subjects with scapular elevation accompanied by FHP than in those with FHP alone. And LT strength and the LT:UT ratio were higher in subjects withno abnormalities in postural alignment. We suggest that these results can serve as a reference for evaluation and intervention according to postural alignment in clinical practice.
2.Comparative Study on Scapular Alignment and Neck and Shoulder Muscle Strength in Subjects with Forward Head Posture and Round Shoulder Posture
Kyoung-Yeol JEONG ; Tae-Gyu KIM ; Il-Young YU ; Soo-Yong KIM
The Korean Journal of Sports Medicine 2025;43(1):13-22
Purpose:
The purpose of this study is to compare scapular alignment, muscle strength around the scapula and neck according to the classification of forward head posture (FHP), round shoulder posture (RSP) and forward head with round shoulder posture (FHRSP).
Methods:
Scapular alignment, muscle strength around the scapula, and neck strength were measured according to the FHP and RSP alignment classification for male college students. Scapular alignment was confirmed by measuring acromial depression, scapular lateral displacement, and scapular acromion distance. Muscle strength was measured during isometric contraction of upper trapezius (UT), middle trapezius (MT), lower trapezius (LT), and neck muscles.
Results:
Acromial depression was significantly greater in the FHP (7.20±1.02 cm) than in the RSP group (5.60±1.26 cm) and FHRSP (5.26±1.75 cm) (p<0.05). The strength of the UT was significantly greater in the FHRSP (1.12±0.12 N/BW) than in the FHP (0.87±0.19 N/BW), and the strength of the LT was significantly greater in the control group (0.20±0.04 N/BW) than in the FHP (0.15±0.03 N/BW) and RSP (0.15±0.04 N/BW) (p<0.05). The LT:UT ratio was significantly greater in the control group (0.20±0.05) than in the FHRSP (0.15±0.02) (p<0.05).
Conclusion
UT strength was higher in RSP subjects with scapular elevation accompanied by FHP than in those with FHP alone. And LT strength and the LT:UT ratio were higher in subjects withno abnormalities in postural alignment. We suggest that these results can serve as a reference for evaluation and intervention according to postural alignment in clinical practice.
3.Comparative Study on Scapular Alignment and Neck and Shoulder Muscle Strength in Subjects with Forward Head Posture and Round Shoulder Posture
Kyoung-Yeol JEONG ; Tae-Gyu KIM ; Il-Young YU ; Soo-Yong KIM
The Korean Journal of Sports Medicine 2025;43(1):13-22
Purpose:
The purpose of this study is to compare scapular alignment, muscle strength around the scapula and neck according to the classification of forward head posture (FHP), round shoulder posture (RSP) and forward head with round shoulder posture (FHRSP).
Methods:
Scapular alignment, muscle strength around the scapula, and neck strength were measured according to the FHP and RSP alignment classification for male college students. Scapular alignment was confirmed by measuring acromial depression, scapular lateral displacement, and scapular acromion distance. Muscle strength was measured during isometric contraction of upper trapezius (UT), middle trapezius (MT), lower trapezius (LT), and neck muscles.
Results:
Acromial depression was significantly greater in the FHP (7.20±1.02 cm) than in the RSP group (5.60±1.26 cm) and FHRSP (5.26±1.75 cm) (p<0.05). The strength of the UT was significantly greater in the FHRSP (1.12±0.12 N/BW) than in the FHP (0.87±0.19 N/BW), and the strength of the LT was significantly greater in the control group (0.20±0.04 N/BW) than in the FHP (0.15±0.03 N/BW) and RSP (0.15±0.04 N/BW) (p<0.05). The LT:UT ratio was significantly greater in the control group (0.20±0.05) than in the FHRSP (0.15±0.02) (p<0.05).
Conclusion
UT strength was higher in RSP subjects with scapular elevation accompanied by FHP than in those with FHP alone. And LT strength and the LT:UT ratio were higher in subjects withno abnormalities in postural alignment. We suggest that these results can serve as a reference for evaluation and intervention according to postural alignment in clinical practice.
4.Comparative Study on Scapular Alignment and Neck and Shoulder Muscle Strength in Subjects with Forward Head Posture and Round Shoulder Posture
Kyoung-Yeol JEONG ; Tae-Gyu KIM ; Il-Young YU ; Soo-Yong KIM
The Korean Journal of Sports Medicine 2025;43(1):13-22
Purpose:
The purpose of this study is to compare scapular alignment, muscle strength around the scapula and neck according to the classification of forward head posture (FHP), round shoulder posture (RSP) and forward head with round shoulder posture (FHRSP).
Methods:
Scapular alignment, muscle strength around the scapula, and neck strength were measured according to the FHP and RSP alignment classification for male college students. Scapular alignment was confirmed by measuring acromial depression, scapular lateral displacement, and scapular acromion distance. Muscle strength was measured during isometric contraction of upper trapezius (UT), middle trapezius (MT), lower trapezius (LT), and neck muscles.
Results:
Acromial depression was significantly greater in the FHP (7.20±1.02 cm) than in the RSP group (5.60±1.26 cm) and FHRSP (5.26±1.75 cm) (p<0.05). The strength of the UT was significantly greater in the FHRSP (1.12±0.12 N/BW) than in the FHP (0.87±0.19 N/BW), and the strength of the LT was significantly greater in the control group (0.20±0.04 N/BW) than in the FHP (0.15±0.03 N/BW) and RSP (0.15±0.04 N/BW) (p<0.05). The LT:UT ratio was significantly greater in the control group (0.20±0.05) than in the FHRSP (0.15±0.02) (p<0.05).
Conclusion
UT strength was higher in RSP subjects with scapular elevation accompanied by FHP than in those with FHP alone. And LT strength and the LT:UT ratio were higher in subjects withno abnormalities in postural alignment. We suggest that these results can serve as a reference for evaluation and intervention according to postural alignment in clinical practice.
5.Comparative Study on Scapular Alignment and Neck and Shoulder Muscle Strength in Subjects with Forward Head Posture and Round Shoulder Posture
Kyoung-Yeol JEONG ; Tae-Gyu KIM ; Il-Young YU ; Soo-Yong KIM
The Korean Journal of Sports Medicine 2025;43(1):13-22
Purpose:
The purpose of this study is to compare scapular alignment, muscle strength around the scapula and neck according to the classification of forward head posture (FHP), round shoulder posture (RSP) and forward head with round shoulder posture (FHRSP).
Methods:
Scapular alignment, muscle strength around the scapula, and neck strength were measured according to the FHP and RSP alignment classification for male college students. Scapular alignment was confirmed by measuring acromial depression, scapular lateral displacement, and scapular acromion distance. Muscle strength was measured during isometric contraction of upper trapezius (UT), middle trapezius (MT), lower trapezius (LT), and neck muscles.
Results:
Acromial depression was significantly greater in the FHP (7.20±1.02 cm) than in the RSP group (5.60±1.26 cm) and FHRSP (5.26±1.75 cm) (p<0.05). The strength of the UT was significantly greater in the FHRSP (1.12±0.12 N/BW) than in the FHP (0.87±0.19 N/BW), and the strength of the LT was significantly greater in the control group (0.20±0.04 N/BW) than in the FHP (0.15±0.03 N/BW) and RSP (0.15±0.04 N/BW) (p<0.05). The LT:UT ratio was significantly greater in the control group (0.20±0.05) than in the FHRSP (0.15±0.02) (p<0.05).
Conclusion
UT strength was higher in RSP subjects with scapular elevation accompanied by FHP than in those with FHP alone. And LT strength and the LT:UT ratio were higher in subjects withno abnormalities in postural alignment. We suggest that these results can serve as a reference for evaluation and intervention according to postural alignment in clinical practice.
6.Major clinical research advances in gynecologic cancer in 2023:a tumultuous year for endometrial cancer
Seung-Hyuk SHIM ; Jung-Yun LEE ; Yoo-Young LEE ; Jeong-Yeol PARK ; Yong Jae LEE ; Se Ik KIM ; Gwan Hee HAN ; Eun Jung YANG ; Joseph J NOH ; Ga Won YIM ; Joo-Hyuk SON ; Nam Kyeong KIM ; Tae-Hyun KIM ; Tae-Wook KONG ; Youn Jin CHOI ; Angela CHO ; Hyunji LIM ; Eun Bi JANG ; Hyun Woong CHO ; Dong Hoon SUH
Journal of Gynecologic Oncology 2024;35(2):e66-
In the 2023 series, we summarized the major clinical research advances in gynecologic oncology based on communications at the conference of Asian Society of Gynecologic Oncology Review Course. The review consisted of 1) Endometrial cancer: immune checkpoint inhibitor, antibody drug conjugates (ADCs), selective inhibitor of nuclear export, CDK4/6 inhibitors WEE1 inhibitor, poly (ADP-ribose) polymerase (PARP) inhibitors. 2) Cervical cancer: surgery in low-risk early-stage cervical cancer, therapy for locally advanced stage and advanced, metastatic, or recurrent setting; and 3) Ovarian cancer: immunotherapy, triplet therapies using immune checkpoint inhibitors along with antiangiogenic agents and PARP inhibitors, and ADCs. In 2023, the field of endometrial cancer treatment witnessed a landmark year, marked by several practice-changing outcomes with immune checkpoint inhibitors and the reliable efficacy of PARP inhibitors and ADCs.
7.Major clinical research advances in gynecologic cancer in 2023:a tumultuous year for endometrial cancer
Seung-Hyuk SHIM ; Jung-Yun LEE ; Yoo-Young LEE ; Jeong-Yeol PARK ; Yong Jae LEE ; Se Ik KIM ; Gwan Hee HAN ; Eun Jung YANG ; Joseph J NOH ; Ga Won YIM ; Joo-Hyuk SON ; Nam Kyeong KIM ; Tae-Hyun KIM ; Tae-Wook KONG ; Youn Jin CHOI ; Angela CHO ; Hyunji LIM ; Eun Bi JANG ; Hyun Woong CHO ; Dong Hoon SUH
Journal of Gynecologic Oncology 2024;35(2):e66-
In the 2023 series, we summarized the major clinical research advances in gynecologic oncology based on communications at the conference of Asian Society of Gynecologic Oncology Review Course. The review consisted of 1) Endometrial cancer: immune checkpoint inhibitor, antibody drug conjugates (ADCs), selective inhibitor of nuclear export, CDK4/6 inhibitors WEE1 inhibitor, poly (ADP-ribose) polymerase (PARP) inhibitors. 2) Cervical cancer: surgery in low-risk early-stage cervical cancer, therapy for locally advanced stage and advanced, metastatic, or recurrent setting; and 3) Ovarian cancer: immunotherapy, triplet therapies using immune checkpoint inhibitors along with antiangiogenic agents and PARP inhibitors, and ADCs. In 2023, the field of endometrial cancer treatment witnessed a landmark year, marked by several practice-changing outcomes with immune checkpoint inhibitors and the reliable efficacy of PARP inhibitors and ADCs.
8.Major clinical research advances in gynecologic cancer in 2023:a tumultuous year for endometrial cancer
Seung-Hyuk SHIM ; Jung-Yun LEE ; Yoo-Young LEE ; Jeong-Yeol PARK ; Yong Jae LEE ; Se Ik KIM ; Gwan Hee HAN ; Eun Jung YANG ; Joseph J NOH ; Ga Won YIM ; Joo-Hyuk SON ; Nam Kyeong KIM ; Tae-Hyun KIM ; Tae-Wook KONG ; Youn Jin CHOI ; Angela CHO ; Hyunji LIM ; Eun Bi JANG ; Hyun Woong CHO ; Dong Hoon SUH
Journal of Gynecologic Oncology 2024;35(2):e66-
In the 2023 series, we summarized the major clinical research advances in gynecologic oncology based on communications at the conference of Asian Society of Gynecologic Oncology Review Course. The review consisted of 1) Endometrial cancer: immune checkpoint inhibitor, antibody drug conjugates (ADCs), selective inhibitor of nuclear export, CDK4/6 inhibitors WEE1 inhibitor, poly (ADP-ribose) polymerase (PARP) inhibitors. 2) Cervical cancer: surgery in low-risk early-stage cervical cancer, therapy for locally advanced stage and advanced, metastatic, or recurrent setting; and 3) Ovarian cancer: immunotherapy, triplet therapies using immune checkpoint inhibitors along with antiangiogenic agents and PARP inhibitors, and ADCs. In 2023, the field of endometrial cancer treatment witnessed a landmark year, marked by several practice-changing outcomes with immune checkpoint inhibitors and the reliable efficacy of PARP inhibitors and ADCs.
9.Oncological Outcomes in Men with Metastatic Castration-Resistant Prostate Cancer Treated with Enzalutamide with versus without Confirmatory Bone Scan
Chang Wook JEONG ; Jang Hee HAN ; Dong Deuk KWON ; Jae Young JOUNG ; Choung-Soo KIM ; Hanjong AHN ; Jun Hyuk HONG ; Tae-Hwan KIM ; Byung Ha CHUNG ; Seong Soo JEON ; Minyong KANG ; Sung Kyu HONG ; Tae Young JUNG ; Sung Woo PARK ; Seok Joong YUN ; Ji Yeol LEE ; Seung Hwan LEE ; Seok Ho KANG ; Cheol KWAK
Cancer Research and Treatment 2024;56(2):634-641
Purpose:
In men with metastatic castration-resistant prostate cancer (mCRPC), new bone lesions are sometimes not properly categorized through a confirmatory bone scan, and clinical significance of the test itself remains unclear. This study aimed to demonstrate the performance rate of confirmatory bone scans in a real-world setting and their prognostic impact in enzalutamide-treated mCRPC.
Materials and Methods:
Patients who received oral enzalutamide for mCRPC during 2014-2017 at 14 tertiary centers in Korea were included. Patients lacking imaging assessment data or insufficient drug exposure were excluded. The primary outcome was overall survival (OS). Secondary outcomes included performance rate of confirmatory bone scans in a real-world setting. Kaplan-Meier analysis and multivariate Cox regression analysis were performed.
Results:
Overall, 520 patients with mCRPC were enrolled (240 [26.2%] chemotherapy-naïve and 280 [53.2%] after chemotherapy). Among 352 responders, 92 patients (26.1%) showed new bone lesions in their early bone scan. Confirmatory bone scan was performed in 41 patients (44.6%), and it was associated with prolonged OS in the entire population (median, 30.9 vs. 19.7 months; p < 0.001), as well as in the chemotherapy-naïve (median, 47.2 vs. 20.5 months; p=0.011) and post-chemotherapy sub-groups (median, 25.5 vs. 18.0 months; p=0.006). Multivariate Cox regression showed that confirmatory bone scan performance was an independent prognostic factor for OS (hazard ratio 0.35, 95% confidence interval, 0.18 to 0.69; p=0.002).
Conclusion
Confirmatory bone scan performance was associated with prolonged OS. Thus, the premature discontinuation of enzalutamide without confirmatory bone scans should be discouraged.
10.Phase 1/2a Study of Rivoceranib, a Selective VEGFR-2 Angiogenesis Inhibitor, in Patients with Advanced Solid Tumors
Yoon-Koo KANG ; Min-Hee RYU ; Yong Sang HONG ; Chang-Min CHOI ; Tae Won KIM ; Baek-Yeol RYOO ; Jeong Eun KIM ; John R. WEIS ; Rachel KINGSFORD ; Cheol Hee PARK ; Seong JANG ; Arlo MCGINN ; Theresa L. WERNER ; Sunil SHARMA
Cancer Research and Treatment 2024;56(3):743-750
Purpose:
This study aimed to report the results from an early-phase study of rivoceranib, an oral tyrosine kinase inhibitor highly selective for vascular endothelial growth factor receptor 2, in patients with advanced solid tumors.
Materials and Methods:
In this open-label, single-arm, dose-escalating, multicenter three-part phase 1/2a trial, patients had advanced solid tumors refractory to conventional therapy. Part 1 evaluated the safety and pharmacokinetics of five ascending once-daily doses of rivoceranib from 81 mg to 685 mg. Part 2 evaluated the safety and antitumor activity of once-daily rivoceranib 685 mg. Part 3 was conducted later, due to lack of maximum tolerated dose determination in part 1, to evaluate the safety and preliminary efficacy of once-daily rivoceranib 805 mg in patients with unresectable or advanced gastric cancer.
Results:
A total of 61 patients were enrolled in parts 1 (n=25), 2 (n=30), and 3 (n=6). In parts 1 and 2, patients were white (45.5%) or Asian (54.5%), and 65.6% were male. The most common grade ≥ 3 adverse events were hypertension (32.7%), hyponatremia (10.9%), and hypophosphatemia (10.9%). The objective response rate (ORR) was 15.2%. In part 3, dose-limiting toxicities occurred in two out of six patients: grade 3 febrile neutropenia decreased appetite, and fatigue. The ORR was 33%.
Conclusion
The recommended phase 2 dose of rivoceranib was determined to be 685 mg once daily, which showed adequate efficacy with a manageable safety profile (NCT01497704 and NCT02711969).

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